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ATYR · aTYR PHARMA INC

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$0.50 0.00 (-0.68%)
Rebalance outlook locked
Market Cap
$48.36M
Shares
98.09M

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

ATYR Latest Reported Short Interest

FINRA reported 9,441,402 ATYR shares sold short as of the August 14, 2026 settlement date, a decrease of 284,654 shares. Days to cover was 14.72 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent stock splits

ATYR Short Interest Forecast

Equibles' model estimates 9,044,349 shares sold short for the August 31, 2026 settlement, -4.2% versus the latest reported position, with a likely range of 8,243,657 to 9,805,681 shares. This model prediction uses FINRA data through August 31, 2026; FINRA's official release is expected September 10, 2026.

Model estimate

Expected Aug 31 short interest

as of Aug 31 High confidence 68% chance it falls
9,044,349 -4.2% vs reported
Likely range 8,243,657 to 9,805,681 The latest estimate appears in the chart below. Official release expected Sep 10. Methodology
Short Squeeze Score
66/100
Short interest 9.6% of shares — P89 Days to cover 14.7 — P94 Price vs VWAP -3.8% — P37 Short-volume trend -9.6% — P20 Short interest change -2.9% — P41 Worst FTD 0.08% of shares — P81

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-08-14). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-09-15 Scheduled
    FINRA publishes Sep 24
    		 — — — —
    2026-08-31 Scheduled
    FINRA publishes Sep 10
    		 — — — —
    2026-08-14 9,441,402 9,726,056 -284,654 14.72
    2026-07-31 9,726,056 8,277,406 +1,448,650 11.76
    2026-07-15 8,277,406 14,505,076 -6,227,670 4.25
    2026-06-30 14,505,076 18,511,717 -4,006,641 5.07
    2026-06-15 18,511,717 20,188,406 -1,676,689 9.76
    2026-05-29 20,188,406 21,394,161 -1,205,755 5.01
    2026-05-15 21,394,161 19,845,053 +1,549,108 4.48
    2026-04-30 19,845,053 19,884,135 -39,082 25.28
    2026-04-15 19,884,135 19,617,163 +266,972 21.16
    2026-03-31 19,617,163 18,967,502 +649,661 19.59
    2026-03-13 18,967,502 18,802,360 +165,142 16.15
    2026-02-27 18,802,360 19,877,366 -1,075,006 11.60
    2026-02-13 19,877,366 20,432,971 -555,605 8.42
    2026-01-30 20,432,971 21,334,051 -901,080 7.72
    2026-01-15 21,334,051 25,013,857 -3,679,806 14.17
    2025-12-31 25,013,857 30,385,566 -5,371,709 11.13
    2025-12-15 30,385,566 29,801,092 +584,474 15.47
    2025-11-28 29,801,092 29,864,642 -63,550 9.24
    2025-11-14 29,864,642 31,060,738 -1,196,096 7.62
    2025-10-31 31,060,738 36,142,593 -5,081,855 6.08
    2025-10-15 36,142,593 37,932,369 -1,789,776 3.39
    2025-09-30 37,932,369 33,089,093 +4,843,276 1.80
    2025-09-15 33,089,093 29,405,110 +3,683,983 1.58

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements
    Key facts CIK 1339970 CUSIP 002120202 13F (30d) 77 filings 76 filers Visit website Investor relations

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